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Sound from a 55dB horn

Sound from a 55dB horn is measured at a distance. What is the intensity of the sound in W/m2?
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2. asked by Allan
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A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 42 dB by an observer 10 km
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2. asked by Jake
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A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km
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2. asked by Anonymous
3. 591 views
A car sounds its horn (502 Hz) as it approachs a pedestrian by the side of the road. The pedestrian has perfect pitch and
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2. asked by Melissa
3. 1,327 views
A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
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2. asked by help me
3. 1,335 views
A car traveling at 24.3 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
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2. asked by jean
3. 719 views
A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
1. 1 answer
2. asked by help me
3. 678 views
Hello to all the fantastic tutors! I'm stuck on this question, I was wondering if there is a way to solve this.A car horn emits
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2. asked by Tommy
3. 930 views
A train sounding its horn is approaching an observer. The pitch of the horn's sound relative to its normal pitch is???
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2. asked by ali
3. 928 views
1)As a sound source moves away from a stationary observer, the number of waves will.decrease 2)How fast should a car move toward
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2. asked by Jon
3. 1,301 views